blob: 72277411b7d74001fb5024d106edd9cd33a8b11f [file] [log] [blame]
// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/io_thread.h"
#include <utility>
#include <vector>
#include "base/base64.h"
#include "base/bind.h"
#include "base/bind_helpers.h"
#include "base/command_line.h"
#include "base/compiler_specific.h"
#include "base/debug/leak_tracker.h"
#include "base/environment.h"
#include "base/files/file_path.h"
#include "base/logging.h"
#include "base/macros.h"
#include "base/memory/ptr_util.h"
#include "base/metrics/field_trial.h"
#include "base/metrics/histogram_macros.h"
#include "base/single_thread_task_runner.h"
#include "base/stl_util.h"
#include "base/strings/string_piece.h"
#include "base/strings/string_split.h"
#include "base/strings/string_util.h"
#include "base/strings/utf_string_conversions.h"
#include "base/task_scheduler/post_task.h"
#include "base/threading/thread.h"
#include "base/time/time.h"
#include "base/trace_event/trace_event.h"
#include "build/build_config.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/data_usage/tab_id_annotator.h"
#include "chrome/browser/data_use_measurement/chrome_data_use_ascriber.h"
#include "chrome/browser/net/chrome_network_delegate.h"
#include "chrome/browser/net/dns_probe_service.h"
#include "chrome/browser/net/proxy_service_factory.h"
#include "chrome/browser/net/sth_distributor_provider.h"
#include "chrome/common/chrome_content_client.h"
#include "chrome/common/chrome_features.h"
#include "chrome/common/chrome_switches.h"
#include "chrome/common/pref_names.h"
#include "components/certificate_transparency/tree_state_tracker.h"
#include "components/data_reduction_proxy/core/browser/data_reduction_proxy_prefs.h"
#include "components/data_usage/core/data_use_aggregator.h"
#include "components/data_usage/core/data_use_amortizer.h"
#include "components/data_usage/core/data_use_annotator.h"
#include "components/data_use_measurement/core/data_use_ascriber.h"
#include "components/metrics/metrics_service.h"
#include "components/net_log/chrome_net_log.h"
#include "components/policy/core/common/policy_service.h"
#include "components/policy/policy_constants.h"
#include "components/prefs/pref_registry_simple.h"
#include "components/prefs/pref_service.h"
#include "components/variations/variations_associated_data.h"
#include "components/version_info/version_info.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/network_quality_observer_factory.h"
#include "content/public/browser/network_service_instance.h"
#include "content/public/common/content_features.h"
#include "content/public/common/content_switches.h"
#include "content/public/common/user_agent.h"
#include "content/public/network/ignore_errors_cert_verifier.h"
#include "content/public/network/network_service.h"
#include "content/public/network/url_request_context_builder_mojo.h"
#include "extensions/features/features.h"
#include "net/cert/caching_cert_verifier.h"
#include "net/cert/cert_verifier.h"
#include "net/cert/cert_verify_proc.h"
#include "net/cert/ct_known_logs.h"
#include "net/cert/ct_log_verifier.h"
#include "net/cert/ct_verifier.h"
#include "net/cert/multi_log_ct_verifier.h"
#include "net/cert/multi_threaded_cert_verifier.h"
#include "net/cert/sth_distributor.h"
#include "net/cert/sth_observer.h"
#include "net/dns/host_cache.h"
#include "net/dns/host_resolver.h"
#include "net/dns/mapped_host_resolver.h"
#include "net/http/http_auth_filter.h"
#include "net/http/http_auth_handler_factory.h"
#include "net/http/http_auth_preferences.h"
#include "net/http/http_network_session.h"
#include "net/http/http_server_properties_impl.h"
#include "net/http/http_transaction_factory.h"
#include "net/net_features.h"
#include "net/nqe/external_estimate_provider.h"
#include "net/nqe/network_quality_estimator_params.h"
#include "net/proxy/proxy_config_service.h"
#include "net/proxy/proxy_script_fetcher_impl.h"
#include "net/proxy/proxy_service.h"
#include "net/quic/chromium/quic_utils_chromium.h"
#include "net/socket/ssl_client_socket.h"
#include "net/url_request/url_fetcher.h"
#include "net/url_request/url_request_context.h"
#include "net/url_request/url_request_context_builder.h"
#include "net/url_request/url_request_context_getter.h"
#include "url/url_constants.h"
#if BUILDFLAG(ENABLE_EXTENSIONS)
#include "chrome/browser/extensions/event_router_forwarder.h"
#endif
#if defined(USE_NSS_CERTS)
#include "net/cert_net/nss_ocsp.h"
#endif
#if defined(OS_ANDROID)
#include "base/android/build_info.h"
#include "chrome/browser/android/data_usage/external_data_use_observer.h"
#include "chrome/browser/android/net/external_estimate_provider_android.h"
#include "components/data_usage/android/traffic_stats_amortizer.h"
#include "net/cert/cert_net_fetcher.h"
#include "net/cert/cert_verify_proc_android.h"
#include "net/cert_net/cert_net_fetcher_impl.h"
#endif // defined(OS_ANDROID)
#if defined(OS_CHROMEOS)
#include "chrome/browser/chromeos/net/cert_verify_proc_chromeos.h"
#include "chrome/browser/chromeos/policy/browser_policy_connector_chromeos.h"
#include "chromeos/network/dhcp_proxy_script_fetcher_factory_chromeos.h"
#include "chromeos/network/host_resolver_impl_chromeos.h"
#endif
#if defined(OS_ANDROID) && defined(ARCH_CPU_ARMEL)
#include "crypto/openssl_util.h"
#include "third_party/boringssl/src/include/openssl/cpu.h"
#endif
using content::BrowserThread;
class SafeBrowsingURLRequestContext;
// The IOThread object must outlive any tasks posted to the IO thread before the
// Quit task, so base::Bind() calls are not refcounted.
namespace {
// Field trial for network quality estimator. Seeds RTT and downstream
// throughput observations with values that correspond to the connection type
// determined by the operating system.
const char kNetworkQualityEstimatorFieldTrialName[] = "NetworkQualityEstimator";
#if defined(OS_MACOSX)
void ObserveKeychainEvents() {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
net::CertDatabase::GetInstance()->SetMessageLoopForKeychainEvents();
}
#endif
// Gets file path into ssl_keylog_file from command line argument or
// environment variable. Command line argument has priority when
// both specified.
base::FilePath GetSSLKeyLogFile(const base::CommandLine& command_line) {
if (command_line.HasSwitch(switches::kSSLKeyLogFile)) {
base::FilePath path =
command_line.GetSwitchValuePath(switches::kSSLKeyLogFile);
if (!path.empty())
return path;
LOG(WARNING) << "ssl-key-log-file argument missing";
}
std::unique_ptr<base::Environment> env(base::Environment::Create());
std::string path_str;
env->GetVar("SSLKEYLOGFILE", &path_str);
#if defined(OS_WIN)
// base::Environment returns environment variables in UTF-8 on Windows.
return base::FilePath(base::UTF8ToUTF16(path_str));
#else
return base::FilePath(path_str);
#endif
}
std::unique_ptr<net::HostResolver> CreateGlobalHostResolver(
net::NetLog* net_log) {
TRACE_EVENT0("startup", "IOThread::CreateGlobalHostResolver");
#if defined(OS_CHROMEOS)
using resolver = chromeos::HostResolverImplChromeOS;
#else
using resolver = net::HostResolver;
#endif
std::unique_ptr<net::HostResolver> global_host_resolver =
resolver::CreateSystemResolver(net::HostResolver::Options(), net_log);
// If hostname remappings were specified on the command-line, layer these
// rules on top of the real host resolver. This allows forwarding all requests
// through a designated test server.
const base::CommandLine& command_line =
*base::CommandLine::ForCurrentProcess();
if (!command_line.HasSwitch(switches::kHostResolverRules))
return global_host_resolver;
auto remapped_resolver = std::make_unique<net::MappedHostResolver>(
std::move(global_host_resolver));
remapped_resolver->SetRulesFromString(
command_line.GetSwitchValueASCII(switches::kHostResolverRules));
return std::move(remapped_resolver);
}
// This function is for forwarding metrics usage pref changes to the metrics
// service on the appropriate thread.
// TODO(gayane): Reduce the frequency of posting tasks from IO to UI thread.
void UpdateMetricsUsagePrefsOnUIThread(const std::string& service_name,
int message_size,
bool is_cellular) {
BrowserThread::PostTask(BrowserThread::UI, FROM_HERE,
base::BindOnce(
[](const std::string& service_name,
int message_size, bool is_cellular) {
// Some unit tests use IOThread but do not
// initialize MetricsService. In that case it's
// fine to skip the update.
auto* metrics_service =
g_browser_process->metrics_service();
if (metrics_service) {
metrics_service->UpdateMetricsUsagePrefs(
service_name, message_size, is_cellular);
}
},
service_name, message_size, is_cellular));
}
} // namespace
class SystemURLRequestContextGetter : public net::URLRequestContextGetter {
public:
explicit SystemURLRequestContextGetter(IOThread* io_thread);
// Implementation for net::UrlRequestContextGetter.
net::URLRequestContext* GetURLRequestContext() override;
scoped_refptr<base::SingleThreadTaskRunner> GetNetworkTaskRunner()
const override;
protected:
~SystemURLRequestContextGetter() override;
private:
IOThread* const io_thread_; // Weak pointer, owned by BrowserProcess.
scoped_refptr<base::SingleThreadTaskRunner> network_task_runner_;
base::debug::LeakTracker<SystemURLRequestContextGetter> leak_tracker_;
};
SystemURLRequestContextGetter::SystemURLRequestContextGetter(
IOThread* io_thread)
: io_thread_(io_thread),
network_task_runner_(
BrowserThread::GetTaskRunnerForThread(BrowserThread::IO)) {}
SystemURLRequestContextGetter::~SystemURLRequestContextGetter() {}
net::URLRequestContext* SystemURLRequestContextGetter::GetURLRequestContext() {
DCHECK_CURRENTLY_ON(BrowserThread::IO);
DCHECK(io_thread_->globals()->system_request_context);
return io_thread_->globals()->system_request_context;
}
scoped_refptr<base::SingleThreadTaskRunner>
SystemURLRequestContextGetter::GetNetworkTaskRunner() const {
return network_task_runner_;
}
IOThread::Globals::
SystemRequestContextLeakChecker::SystemRequestContextLeakChecker(
Globals* globals)
: globals_(globals) {
DCHECK(globals_);
}
IOThread::Globals::
SystemRequestContextLeakChecker::~SystemRequestContextLeakChecker() {
globals_->system_request_context->AssertNoURLRequests();
}
IOThread::Globals::Globals()
: system_request_context(nullptr),
system_request_context_leak_checker(this) {}
IOThread::Globals::~Globals() {}
// |local_state| is passed in explicitly in order to (1) reduce implicit
// dependencies and (2) make IOThread more flexible for testing.
IOThread::IOThread(
PrefService* local_state,
policy::PolicyService* policy_service,
net_log::ChromeNetLog* net_log,
extensions::EventRouterForwarder* extension_event_router_forwarder,
SystemNetworkContextManager* system_network_context_manager)
: net_log_(net_log),
#if BUILDFLAG(ENABLE_EXTENSIONS)
extension_event_router_forwarder_(extension_event_router_forwarder),
#endif
globals_(nullptr),
is_quic_allowed_on_init_(true),
weak_factory_(this) {
scoped_refptr<base::SingleThreadTaskRunner> io_thread_proxy =
BrowserThread::GetTaskRunnerForThread(BrowserThread::IO);
auth_schemes_ = local_state->GetString(prefs::kAuthSchemes);
negotiate_disable_cname_lookup_.Init(
prefs::kDisableAuthNegotiateCnameLookup, local_state,
base::Bind(&IOThread::UpdateNegotiateDisableCnameLookup,
base::Unretained(this)));
negotiate_disable_cname_lookup_.MoveToThread(io_thread_proxy);
negotiate_enable_port_.Init(
prefs::kEnableAuthNegotiatePort, local_state,
base::Bind(&IOThread::UpdateNegotiateEnablePort, base::Unretained(this)));
negotiate_enable_port_.MoveToThread(io_thread_proxy);
auth_server_whitelist_.Init(
prefs::kAuthServerWhitelist, local_state,
base::Bind(&IOThread::UpdateServerWhitelist, base::Unretained(this)));
auth_server_whitelist_.MoveToThread(io_thread_proxy);
auth_delegate_whitelist_.Init(
prefs::kAuthNegotiateDelegateWhitelist, local_state,
base::Bind(&IOThread::UpdateDelegateWhitelist, base::Unretained(this)));
auth_delegate_whitelist_.MoveToThread(io_thread_proxy);
#if defined(OS_ANDROID)
auth_android_negotiate_account_type_.Init(
prefs::kAuthAndroidNegotiateAccountType, local_state,
base::Bind(&IOThread::UpdateAndroidAuthNegotiateAccountType,
base::Unretained(this)));
auth_android_negotiate_account_type_.MoveToThread(io_thread_proxy);
#endif
#if defined(OS_POSIX) && !defined(OS_ANDROID) && !defined(OS_CHROMEOS)
gssapi_library_name_ = local_state->GetString(prefs::kGSSAPILibraryName);
#endif
#if defined(OS_CHROMEOS)
policy::BrowserPolicyConnectorChromeOS* connector =
g_browser_process->platform_part()->browser_policy_connector_chromeos();
allow_gssapi_library_load_ = connector->IsActiveDirectoryManaged();
#endif
ChromeNetworkDelegate::InitializePrefsOnUIThread(
&system_enable_referrers_,
nullptr,
nullptr,
nullptr,
nullptr,
local_state);
ssl_config_service_manager_.reset(
ssl_config::SSLConfigServiceManager::CreateDefaultManager(
local_state,
BrowserThread::GetTaskRunnerForThread(BrowserThread::IO)));
local_state->SetDefaultPrefValue(
prefs::kBuiltInDnsClientEnabled,
base::Value(base::FeatureList::IsEnabled(features::kAsyncDns)));
dns_client_enabled_.Init(prefs::kBuiltInDnsClientEnabled,
local_state,
base::Bind(&IOThread::UpdateDnsClientEnabled,
base::Unretained(this)));
dns_client_enabled_.MoveToThread(io_thread_proxy);
#if defined(OS_POSIX)
local_state->SetDefaultPrefValue(
prefs::kNtlmV2Enabled,
base::Value(base::FeatureList::IsEnabled(features::kNtlmV2Enabled)));
ntlm_v2_enabled_.Init(
prefs::kNtlmV2Enabled, local_state,
base::Bind(&IOThread::UpdateNtlmV2Enabled, base::Unretained(this)));
ntlm_v2_enabled_.MoveToThread(io_thread_proxy);
#endif
quick_check_enabled_.Init(prefs::kQuickCheckEnabled,
local_state);
quick_check_enabled_.MoveToThread(io_thread_proxy);
pac_https_url_stripping_enabled_.Init(prefs::kPacHttpsUrlStrippingEnabled,
local_state);
pac_https_url_stripping_enabled_.MoveToThread(io_thread_proxy);
chrome_browser_net::SetGlobalSTHDistributor(
std::make_unique<net::ct::STHDistributor>());
BrowserThread::SetIOThreadDelegate(this);
system_network_context_manager->SetUp(&network_context_request_,
&network_context_params_,
&is_quic_allowed_on_init_);
}
IOThread::~IOThread() {
// This isn't needed for production code, but in tests, IOThread may
// be multiply constructed.
BrowserThread::SetIOThreadDelegate(nullptr);
DCHECK(!globals_);
// Destroy the old distributor to check that the observers list it holds is
// empty.
chrome_browser_net::SetGlobalSTHDistributor(nullptr);
}
IOThread::Globals* IOThread::globals() {
DCHECK_CURRENTLY_ON(BrowserThread::IO);
return globals_;
}
void IOThread::SetGlobalsForTesting(Globals* globals) {
DCHECK_CURRENTLY_ON(BrowserThread::IO);
DCHECK(!globals || !globals_);
globals_ = globals;
}
net_log::ChromeNetLog* IOThread::net_log() {
return net_log_;
}
void IOThread::ChangedToOnTheRecord() {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
BrowserThread::PostTask(
BrowserThread::IO, FROM_HERE,
base::BindOnce(&IOThread::ChangedToOnTheRecordOnIOThread,
base::Unretained(this)));
}
net::URLRequestContextGetter* IOThread::system_url_request_context_getter() {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
if (!system_url_request_context_getter_.get()) {
system_url_request_context_getter_ =
base::MakeRefCounted<SystemURLRequestContextGetter>(this);
}
return system_url_request_context_getter_.get();
}
void IOThread::Init() {
TRACE_EVENT0("startup", "IOThread::InitAsync");
DCHECK_CURRENTLY_ON(BrowserThread::IO);
#if defined(USE_NSS_CERTS)
net::SetMessageLoopForNSSHttpIO();
#endif
const base::CommandLine& command_line =
*base::CommandLine::ForCurrentProcess();
// Export ssl keys if log file specified.
base::FilePath ssl_keylog_file = GetSSLKeyLogFile(command_line);
if (!ssl_keylog_file.empty())
net::SSLClientSocket::SetSSLKeyLogFile(ssl_keylog_file);
DCHECK(!globals_);
globals_ = new Globals;
// Setup the HistogramWatcher to run on the IO thread.
net::NetworkChangeNotifier::InitHistogramWatcher();
#if BUILDFLAG(ENABLE_EXTENSIONS)
globals_->extension_event_router_forwarder =
extension_event_router_forwarder_;
#endif
std::unique_ptr<data_usage::DataUseAmortizer> data_use_amortizer;
#if defined(OS_ANDROID)
data_use_amortizer =
std::make_unique<data_usage::android::TrafficStatsAmortizer>();
#endif // defined(OS_ANDROID)
globals_->data_use_ascriber =
base::MakeUnique<data_use_measurement::ChromeDataUseAscriber>();
globals_->data_use_aggregator =
std::make_unique<data_usage::DataUseAggregator>(
std::make_unique<chrome_browser_data_usage::TabIdAnnotator>(),
std::move(data_use_amortizer));
#if defined(OS_ANDROID)
globals_->external_data_use_observer =
std::make_unique<android::ExternalDataUseObserver>(
globals_->data_use_aggregator.get(),
BrowserThread::GetTaskRunnerForThread(BrowserThread::IO),
BrowserThread::GetTaskRunnerForThread(BrowserThread::UI));
#endif // defined(OS_ANDROID)
std::map<std::string, std::string> network_quality_estimator_params;
variations::GetVariationParams(kNetworkQualityEstimatorFieldTrialName,
&network_quality_estimator_params);
if (command_line.HasSwitch(switches::kForceEffectiveConnectionType)) {
const std::string force_ect_value =
base::CommandLine::ForCurrentProcess()->GetSwitchValueASCII(
switches::kForceEffectiveConnectionType);
if (!force_ect_value.empty()) {
// If the effective connection type is forced using command line switch,
// it overrides the one set by field trial.
network_quality_estimator_params[net::kForceEffectiveConnectionType] =
force_ect_value;
}
}
std::unique_ptr<net::ExternalEstimateProvider> external_estimate_provider;
#if defined(OS_ANDROID)
external_estimate_provider =
std::make_unique<chrome::android::ExternalEstimateProviderAndroid>();
#endif // defined(OS_ANDROID)
// Pass ownership.
globals_->network_quality_estimator =
std::make_unique<net::NetworkQualityEstimator>(
std::move(external_estimate_provider),
base::MakeUnique<net::NetworkQualityEstimatorParams>(
network_quality_estimator_params),
net_log_);
globals_->network_quality_observer = content::CreateNetworkQualityObserver(
globals_->network_quality_estimator.get());
globals_->dns_probe_service =
std::make_unique<chrome_browser_net::DnsProbeService>();
if (command_line.HasSwitch(switches::kIgnoreUrlFetcherCertRequests))
net::URLFetcher::SetIgnoreCertificateRequests(true);
#if defined(OS_MACOSX)
// Start observing Keychain events. This needs to be done on the UI thread,
// as Keychain services requires a CFRunLoop.
BrowserThread::PostTask(BrowserThread::UI,
FROM_HERE,
base::Bind(&ObserveKeychainEvents));
#endif
#if defined(OS_ANDROID) && defined(ARCH_CPU_ARMEL)
crypto::EnsureOpenSSLInit();
// Measure CPUs with broken NEON units. See https://crbug.com/341598.
UMA_HISTOGRAM_BOOLEAN("Net.HasBrokenNEON", CRYPTO_has_broken_NEON());
// Measure Android kernels with missing AT_HWCAP2 auxv fields. See
// https://crbug.com/boringssl/46.
UMA_HISTOGRAM_BOOLEAN("Net.NeedsHWCAP2Workaround",
CRYPTO_needs_hwcap2_workaround());
#endif
std::vector<scoped_refptr<const net::CTLogVerifier>> ct_logs(
net::ct::CreateLogVerifiersForKnownLogs());
globals_->ct_logs.assign(ct_logs.begin(), ct_logs.end());
ConstructSystemRequestContext();
UpdateDnsClientEnabled();
ct_tree_tracker_ =
std::make_unique<certificate_transparency::TreeStateTracker>(
globals_->ct_logs, globals_->system_request_context->host_resolver(),
net_log_);
// Register the ct_tree_tracker_ as observer for new STHs.
RegisterSTHObserver(ct_tree_tracker_.get());
// Register the ct_tree_tracker_ as observer for verified SCTs.
globals_->system_request_context->cert_transparency_verifier()->SetObserver(
ct_tree_tracker_.get());
}
void IOThread::CleanUp() {
base::debug::LeakTracker<SafeBrowsingURLRequestContext>::CheckForLeaks();
#if defined(USE_NSS_CERTS)
net::ShutdownNSSHttpIO();
#endif
system_url_request_context_getter_ = nullptr;
// Unlink the ct_tree_tracker_ from the global cert_transparency_verifier
// and unregister it from new STH notifications so it will take no actions
// on anything observed during CleanUp process.
globals()->system_request_context->cert_transparency_verifier()->SetObserver(
nullptr);
UnregisterSTHObserver(ct_tree_tracker_.get());
ct_tree_tracker_.reset();
globals_->system_request_context->proxy_service()->OnShutdown();
#if defined(USE_NSS_CERTS)
net::SetURLRequestContextForNSSHttpIO(nullptr);
#endif
#if defined(OS_ANDROID)
net::ShutdownGlobalCertNetFetcher();
#endif
// Release objects that the net::URLRequestContext could have been pointing
// to.
// Shutdown the HistogramWatcher on the IO thread.
net::NetworkChangeNotifier::ShutdownHistogramWatcher();
delete globals_;
globals_ = nullptr;
base::debug::LeakTracker<SystemURLRequestContextGetter>::CheckForLeaks();
if (net_log_)
net_log_->ShutDownBeforeTaskScheduler();
}
// static
void IOThread::RegisterPrefs(PrefRegistrySimple* registry) {
registry->RegisterStringPref(prefs::kAuthSchemes,
"basic,digest,ntlm,negotiate");
registry->RegisterBooleanPref(prefs::kDisableAuthNegotiateCnameLookup, false);
registry->RegisterBooleanPref(prefs::kEnableAuthNegotiatePort, false);
registry->RegisterStringPref(prefs::kAuthServerWhitelist, std::string());
registry->RegisterStringPref(prefs::kAuthNegotiateDelegateWhitelist,
std::string());
registry->RegisterStringPref(prefs::kGSSAPILibraryName, std::string());
registry->RegisterStringPref(prefs::kAuthAndroidNegotiateAccountType,
std::string());
registry->RegisterBooleanPref(prefs::kEnableReferrers, true);
data_reduction_proxy::RegisterPrefs(registry);
registry->RegisterBooleanPref(prefs::kBuiltInDnsClientEnabled, true);
registry->RegisterBooleanPref(prefs::kQuickCheckEnabled, true);
registry->RegisterBooleanPref(prefs::kPacHttpsUrlStrippingEnabled, true);
#if defined(OS_POSIX)
registry->RegisterBooleanPref(prefs::kNtlmV2Enabled, false);
#endif
}
void IOThread::UpdateServerWhitelist() {
globals_->http_auth_preferences->SetServerWhitelist(
auth_server_whitelist_.GetValue());
}
void IOThread::UpdateDelegateWhitelist() {
globals_->http_auth_preferences->SetDelegateWhitelist(
auth_delegate_whitelist_.GetValue());
}
#if defined(OS_ANDROID)
void IOThread::UpdateAndroidAuthNegotiateAccountType() {
globals_->http_auth_preferences->set_auth_android_negotiate_account_type(
auth_android_negotiate_account_type_.GetValue());
}
#endif
void IOThread::UpdateNegotiateDisableCnameLookup() {
globals_->http_auth_preferences->set_negotiate_disable_cname_lookup(
negotiate_disable_cname_lookup_.GetValue());
}
void IOThread::UpdateNegotiateEnablePort() {
globals_->http_auth_preferences->set_negotiate_enable_port(
negotiate_enable_port_.GetValue());
}
#if defined(OS_POSIX)
void IOThread::UpdateNtlmV2Enabled() {
globals_->http_auth_preferences->set_ntlm_v2_enabled(
ntlm_v2_enabled_.GetValue());
}
#endif
std::unique_ptr<net::HttpAuthHandlerFactory>
IOThread::CreateDefaultAuthHandlerFactory(net::HostResolver* host_resolver) {
std::vector<std::string> supported_schemes = base::SplitString(
auth_schemes_, ",", base::TRIM_WHITESPACE, base::SPLIT_WANT_NONEMPTY);
globals_->http_auth_preferences =
std::make_unique<net::HttpAuthPreferences>(supported_schemes
#if defined(OS_CHROMEOS)
,
allow_gssapi_library_load_
#elif defined(OS_POSIX) && !defined(OS_ANDROID)
,
gssapi_library_name_
#endif
);
UpdateServerWhitelist();
UpdateDelegateWhitelist();
UpdateNegotiateDisableCnameLookup();
UpdateNegotiateEnablePort();
#if defined(OS_POSIX)
UpdateNtlmV2Enabled();
#endif
#if defined(OS_ANDROID)
UpdateAndroidAuthNegotiateAccountType();
#endif
return net::HttpAuthHandlerRegistryFactory::Create(
globals_->http_auth_preferences.get(), host_resolver);
}
void IOThread::ClearHostCache(
const base::Callback<bool(const std::string&)>& host_filter) {
DCHECK_CURRENTLY_ON(BrowserThread::IO);
globals_->system_request_context->host_resolver()
->GetHostCache()
->ClearForHosts(host_filter);
}
void IOThread::DisableQuic() {
DCHECK_CURRENTLY_ON(BrowserThread::IO);
globals_->quic_disabled = true;
}
net::SSLConfigService* IOThread::GetSSLConfigService() {
return ssl_config_service_manager_->Get();
}
void IOThread::ChangedToOnTheRecordOnIOThread() {
DCHECK_CURRENTLY_ON(BrowserThread::IO);
// Clear the host cache to avoid showing entries from the OTR session
// in about:net-internals.
ClearHostCache(base::Callback<bool(const std::string&)>());
}
void IOThread::UpdateDnsClientEnabled() {
globals()->system_request_context->host_resolver()->SetDnsClientEnabled(
*dns_client_enabled_);
}
void IOThread::RegisterSTHObserver(net::ct::STHObserver* observer) {
chrome_browser_net::GetGlobalSTHDistributor()->RegisterObserver(observer);
}
void IOThread::UnregisterSTHObserver(net::ct::STHObserver* observer) {
chrome_browser_net::GetGlobalSTHDistributor()->UnregisterObserver(observer);
}
bool IOThread::WpadQuickCheckEnabled() const {
return quick_check_enabled_.GetValue();
}
bool IOThread::PacHttpsUrlStrippingEnabled() const {
return pac_https_url_stripping_enabled_.GetValue();
}
void IOThread::SetUpProxyService(
content::URLRequestContextBuilderMojo* builder) const {
#if defined(OS_CHROMEOS)
builder->SetDhcpFetcherFactory(
base::MakeUnique<chromeos::DhcpProxyScriptFetcherFactoryChromeos>());
#endif
builder->set_pac_quick_check_enabled(WpadQuickCheckEnabled());
builder->set_pac_sanitize_url_policy(
PacHttpsUrlStrippingEnabled()
? net::ProxyService::SanitizeUrlPolicy::SAFE
: net::ProxyService::SanitizeUrlPolicy::UNSAFE);
}
certificate_transparency::TreeStateTracker* IOThread::ct_tree_tracker() const {
return ct_tree_tracker_.get();
}
void IOThread::ConstructSystemRequestContext() {
std::unique_ptr<content::URLRequestContextBuilderMojo> builder =
base::MakeUnique<content::URLRequestContextBuilderMojo>();
builder->set_network_quality_estimator(
globals_->network_quality_estimator.get());
builder->set_user_agent(GetUserAgent());
auto chrome_network_delegate = std::make_unique<ChromeNetworkDelegate>(
extension_event_router_forwarder(), &system_enable_referrers_);
// By default, data usage is considered off the record.
chrome_network_delegate->set_data_use_aggregator(
globals_->data_use_aggregator.get(),
true /* is_data_usage_off_the_record */);
builder->set_network_delegate(
globals_->data_use_ascriber->CreateNetworkDelegate(
std::move(chrome_network_delegate), GetMetricsDataUseForwarder()));
std::unique_ptr<net::HostResolver> host_resolver(
CreateGlobalHostResolver(net_log_));
builder->set_ssl_config_service(GetSSLConfigService());
builder->SetHttpAuthHandlerFactory(
CreateDefaultAuthHandlerFactory(host_resolver.get()));
builder->set_host_resolver(std::move(host_resolver));
std::unique_ptr<net::CertVerifier> cert_verifier;
#if defined(OS_CHROMEOS)
// Creates a CertVerifyProc that doesn't allow any profile-provided certs.
cert_verifier = base::MakeUnique<net::CachingCertVerifier>(
base::MakeUnique<net::MultiThreadedCertVerifier>(
base::MakeRefCounted<chromeos::CertVerifyProcChromeOS>()));
#else
cert_verifier = std::make_unique<net::CachingCertVerifier>(
std::make_unique<net::MultiThreadedCertVerifier>(
net::CertVerifyProc::CreateDefault()));
#endif
const base::CommandLine& command_line =
*base::CommandLine::ForCurrentProcess();
builder->SetCertVerifier(
content::IgnoreErrorsCertVerifier::MaybeWrapCertVerifier(
command_line, switches::kUserDataDir, std::move(cert_verifier)));
UMA_HISTOGRAM_BOOLEAN(
"Net.Certificate.IgnoreCertificateErrorsSPKIListPresent",
command_line.HasSwitch(switches::kIgnoreCertificateErrorsSPKIList));
std::unique_ptr<net::MultiLogCTVerifier> ct_verifier =
base::MakeUnique<net::MultiLogCTVerifier>();
// Add built-in logs
ct_verifier->AddLogs(globals_->ct_logs);
builder->set_ct_verifier(std::move(ct_verifier));
SetUpProxyService(builder.get());
if (!is_quic_allowed_on_init_)
globals_->quic_disabled = true;
if (base::FeatureList::IsEnabled(features::kNetworkService)) {
globals_->system_request_context_owner =
std::move(builder)->Create(std::move(network_context_params_).get(),
!is_quic_allowed_on_init_, net_log_);
globals_->system_request_context =
globals_->system_request_context_owner.url_request_context.get();
} else {
globals_->system_network_context =
content::GetNetworkServiceImpl()->CreateNetworkContextWithBuilder(
std::move(network_context_request_),
std::move(network_context_params_), std::move(builder),
&globals_->system_request_context);
}
#if defined(USE_NSS_CERTS)
net::SetURLRequestContextForNSSHttpIO(globals_->system_request_context);
#endif
#if defined(OS_ANDROID)
net::SetGlobalCertNetFetcher(
net::CreateCertNetFetcher(globals_->system_request_context));
#endif
}
metrics::UpdateUsagePrefCallbackType IOThread::GetMetricsDataUseForwarder() {
return base::Bind(&UpdateMetricsUsagePrefsOnUIThread);
}